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A file photo of Teresa Giudice and Joe Giudice are seen outside a federal criminal court in 2014.

The husband of a "Real Housewives of New Jersey" star says prison officials are improperly preventing him from entering an alcohol-treatment program.

Giuseppe "Joe" Giudice made the claim in a court filing Friday. He says authorities at Fort Dix are using a detainer placed on him by Immigration and Customs officials as a reason to exclude him from the prison's treatment program.

The federal Bureau of Prison's website notes that inmates can't join the program if a detainer prevents completion of the community treatment aspect.

The husband of reality star Teresa Giudice was recommended to participate in the program after his October 2014 sentencing for bankruptcy fraud and false loan applications. It would have helped Giudice reduce his prison sentence for up to one year.